EP2868208A1 - Method for the preparation of a low-hygroscopic, dried extract of a vitamin C rich fruit or vegetable species - Google Patents

Method for the preparation of a low-hygroscopic, dried extract of a vitamin C rich fruit or vegetable species Download PDF

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Publication number
EP2868208A1
EP2868208A1 EP20130191063 EP13191063A EP2868208A1 EP 2868208 A1 EP2868208 A1 EP 2868208A1 EP 20130191063 EP20130191063 EP 20130191063 EP 13191063 A EP13191063 A EP 13191063A EP 2868208 A1 EP2868208 A1 EP 2868208A1
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Prior art keywords
vitamin
juice
low
hygroscopic
extract
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EP20130191063
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German (de)
French (fr)
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EP2868208B1 (en
Inventor
Bernd Bonnländer
Erwin Kriesl
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Plantextrakt GmbH&Co KG
PLANTEXTRAKT GmbH and Co KG
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Plantextrakt GmbH&Co KG
PLANTEXTRAKT GmbH and Co KG
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Priority to ES13191063T priority Critical patent/ES2730852T3/en
Priority to EP13191063.0A priority patent/EP2868208B1/en
Priority to PT13191063T priority patent/PT2868208T/en
Priority to BR102014025999-6A priority patent/BR102014025999B1/en
Publication of EP2868208A1 publication Critical patent/EP2868208A1/en
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/385—Concentrates of non-alcoholic beverages
    • A23L2/39—Dry compositions
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/70—Clarifying or fining of non-alcoholic beverages; Removing unwanted matter
    • A23L2/84—Clarifying or fining of non-alcoholic beverages; Removing unwanted matter using microorganisms or biological material, e.g. enzymes
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/15—Vitamins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/365—Lactones
    • A61K31/375—Ascorbic acid, i.e. vitamin C; Salts thereof
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H3/00—Methods for reducing the alcohol content of fermented solutions or alcoholic beverage to obtain low alcohol or non-alcoholic beverages
    • C12H3/02—Methods for reducing the alcohol content of fermented solutions or alcoholic beverage to obtain low alcohol or non-alcoholic beverages by evaporating

Definitions

  • the present invention refers to a process for the preparation of a low-hygroscopic, dried extract of a vitamin C rich fruit or vegetable species, i.e. a natural product rich in vitamin C of only natural origin from fruits or vegetable in stable, dried form.
  • Acerola (Malpighia glabra) is a tropical plant producing fruits rich in vitamin C. Also Camu Camu (Myrciaria dubia) is an Amazonian tree producing fruits very rich in vitamin C. Other fruits and vegetables which are rich in vitamin C are rose hip, bell pepper, sea buckthorn, orange, black currant or guava.
  • the fruits, juices and juice concentrates of these plants are commercialized, but have limitations because of their water content and thus low stability as well as ineffective shipping. For these reasons drying of such products is performed by known processes to the experts such as spray, freeze or belt drying. However, these techniques are limited in the case of the described products, mainly because of the high sugar content leading to melting and/or highly hygroscopic products, which are not feasible for food or pharma industry.
  • Classical drying aids like maltodextrines or other carriers do not solve the problem, as the relative content of Vitamin C is reduced if these carriers are added.
  • the object of the present invention is to provide a method for the preparation of a low-hygroscopic, dried powder extract of vitamin C rich fruit or vegetable species which method is easy and effective to be performed on an industrial scale.
  • the biochemical method to remove the sugar contents from the juice is based on a fermentation by adding yeast, preferably of the species Saccharomyces cerevisiae, to the juice.
  • yeast preferably of the species Saccharomyces cerevisiae
  • the sugar contents is fermented to ethanol whereafter the ethanol is removed to get the vitamin C rich wet extract as an intermediate product of the process of the present invention.
  • a concentrated juice is used which is diluted to a solution containing 10 % to 30 %, preferably 20 % of soluble solids.
  • the fermentation time is between 2 and 6 days, preferably between 2 and 4 days and/or the fermentation temperature is between 10°C and 50°C, preferably between 20°C and 30°C. All aforesaid parameters help to preserve the high contents of vitamin C on the one hand and to optimise the yield of the production process according to the invention on the other hand.
  • the fermented solution is centrifuged or filtrated and afterwards as an option being evaporated to a concentration higher than 50 % soluble solids by a process with low thermal input, preferably under vacuum.
  • the ethanol may be removed by evaporation by state of the art concentration techniques with low thermal input, preferably under vacuum.
  • Suitable are devices such as a rising film plate, kettle-type, centrifugal, falling film, thin layer or circulation evaporator and reverse osmosis.
  • a UHT process preferably a direct steam treatment UHT process.
  • vitamin C rich wet extract may be dried to the low hygroscopic powder by spray drying, freeze drying or any other appropriate drying technique.
  • Summing up the present invention describes a process to remove said sugars in such products by fermentation processes, not altering significantly other ingredients in the fruit or vegetable products. So a dried, low-hygroscopic product can be produced offering the enhanced stability of such dry products but having high content of ascorbic acid in such products.
  • the starting material can be of such maturity that the relative content of ascorbic acid is the highest, in case of fruits that is mainly unripe fruits ( Weber et al. "Metabolic and isotopic correlations between D-Glucose, L-Ascorbic acid and L-Tartaric Acid", Isotopes Environ. Health Stud. 1997, 33, 151-155 ).
  • 1 kg of concentrated Acerola fruit juice (28 °Brix) is diluted to 10 % soluble solids.
  • Yeast e.g. of the species Saccharomyces cerevisiae, is added at temperatures around its optimal working conditions depending on the type of yeast used. The parameters are taken from a temperature range of preferably 20-25°C and a storage time of usually 3 days. After analysis of the remaining sugar content in the reaction mixture by an enzymatic test the fermented solution is filtrated or separated.
  • the intermediate product thus obtained is a vitamin C rich wet extract which is concentrated by a rising film plate evaporator as state of the art concentration technique with low thermal input, preferably under vacuum to maintain the ascorbic acid.
  • a concentration usually higher than 50 % soluble solids such extract can be used as it is or dried by techniques known to the experts such as spray drying, freeze drying or other drying techniques and produces a low-hygroscopic powder.
  • Vitamin C becomes clear from the following table 1, in which the non-fermented extract is a spray dried Acerola juice concentrate, which has not been treated with yeast and the fermented extract is that of example 1. Both extracts contain 60 % maltodextrin as spray drying agent. Table 1: sugar and vitamin C content of fermented and non-fermented extract Non-fermented extract Fermented extract Content [%] Vitamin C 13.33 18.98 Fructose 4.29 0.03 Glucose 3.25 0.09 Saccharose 0.01 0.01
  • Yeast e.g. of the species Saccharomyces cerevisiae, is added at temperatures around its optimal working conditions depending on the type of yeast used. The parameters are taken from a temperature range of preferably 20-25°C and a storage time of usually 3 days. After analysis of the remaining sugar content by HPLC or enzymatic tests the fermented solution is separated.
  • the intermediate product thus obtained is a vitamin C rich wet extract which is UHT treated, preferably a direct steam treatment UHT process, to remove ethanol.
  • the resulting extract can be dried by techniques as described in example 1.

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Nutrition Science (AREA)
  • Zoology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Wood Science & Technology (AREA)
  • Genetics & Genomics (AREA)
  • General Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Mycology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Microbiology (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Preparation Of Fruits And Vegetables (AREA)
  • Medicines Containing Plant Substances (AREA)

Abstract

A method for the preparation of a low-hygroscopic, dried extract of a vitamin C rich fruit or vegetable species, like Acerola (Malpighia glabra), Camu Camu (Myrciaria dubia) or the like, includes the steps of
- preparing a juice of the species,
- removing at least a part of the sugars contained in the juice by a fermentative process generating an ethanol content in the juice but not altering other ingredients in the juice,
- removing the ethanol content from the juice by treating the residue including the vitamin C contents with a low thermal input process to get a vitamin C rich wet extract as residue including the vitamin C contents, and
- drying the residue to a low-hygroscopic powder.

Description

  • The present invention refers to a process for the preparation of a low-hygroscopic, dried extract of a vitamin C rich fruit or vegetable species, i.e. a natural product rich in vitamin C of only natural origin from fruits or vegetable in stable, dried form.
  • The background of the invention is to be commented as follows. As concerns food products the market and customers nowadays prefer natural origin substances over chemically synthesized compounds. This requires industrial, economic processes to enrich and stabilize substances from natural sources.
  • Acerola (Malpighia glabra) is a tropical plant producing fruits rich in vitamin C. Also Camu Camu (Myrciaria dubia) is an Amazonian tree producing fruits very rich in vitamin C. Other fruits and vegetables which are rich in vitamin C are rose hip, bell pepper, sea buckthorn, orange, black currant or guava.
  • The fruits, juices and juice concentrates of these plants are commercialized, but have limitations because of their water content and thus low stability as well as ineffective shipping. For these reasons drying of such products is performed by known processes to the experts such as spray, freeze or belt drying. However, these techniques are limited in the case of the described products, mainly because of the high sugar content leading to melting and/or highly hygroscopic products, which are not feasible for food or pharma industry. Classical drying aids like maltodextrines or other carriers do not solve the problem, as the relative content of Vitamin C is reduced if these carriers are added.
  • Now the object of the present invention is to provide a method for the preparation of a low-hygroscopic, dried powder extract of vitamin C rich fruit or vegetable species which method is easy and effective to be performed on an industrial scale.
  • This object is achieved by the method according to the characterising steps of claim 1 which are:
    • preparing a juice of the species,
    • removing at least a part of the sugars contained in the juice by a fermentative process not altering other ingredients in the juice,
    • removing the ethanol content from the juice by treating the residue including the vitamin C contents with a low thermal input process to get a vitamin C rich wet extract as residue including the vitamin C contents, and
    • drying the residue to a low hygroscopic powder.
  • Due to the use of processes to reduce or remove the sugar content in such products by fermentation as is further claimed in the depending claims, the remaining compounds including vitamin C (ascorbic acid) in the fruit or vegetable bases are enhanced linked to the reduction of sugar in the final product.
  • The biochemical method to remove the sugar contents from the juice is based on a fermentation by adding yeast, preferably of the species Saccharomyces cerevisiae, to the juice. Thus the sugar contents is fermented to ethanol whereafter the ethanol is removed to get the vitamin C rich wet extract as an intermediate product of the process of the present invention.
  • Within this alternative embodiment preferably a concentrated juice is used which is diluted to a solution containing 10 % to 30 %, preferably 20 % of soluble solids. Further on the fermentation time is between 2 and 6 days, preferably between 2 and 4 days and/or the fermentation temperature is between 10°C and 50°C, preferably between 20°C and 30°C. All aforesaid parameters help to preserve the high contents of vitamin C on the one hand and to optimise the yield of the production process according to the invention on the other hand.
  • To remove yeast the fermented solution is centrifuged or filtrated and afterwards as an option being evaporated to a concentration higher than 50 % soluble solids by a process with low thermal input, preferably under vacuum.
  • The ethanol may be removed by evaporation by state of the art concentration techniques with low thermal input, preferably under vacuum. Suitable are devices such as a rising film plate, kettle-type, centrifugal, falling film, thin layer or circulation evaporator and reverse osmosis.
  • Without evaporation the removal of the ethanol itself may take place by a UHT process, preferably a direct steam treatment UHT process.
  • Finally the vitamin C rich wet extract may be dried to the low hygroscopic powder by spray drying, freeze drying or any other appropriate drying technique.
  • Summing up the present invention describes a process to remove said sugars in such products by fermentation processes, not altering significantly other ingredients in the fruit or vegetable products. So a dried, low-hygroscopic product can be produced offering the enhanced stability of such dry products but having high content of ascorbic acid in such products.
  • To further facilitate such process the starting material can be of such maturity that the relative content of ascorbic acid is the highest, in case of fruits that is mainly unripe fruits (Weber et al. "Metabolic and isotopic correlations between D-Glucose, L-Ascorbic acid and L-Tartaric Acid", Isotopes Environ. Health Stud. 1997, 33, 151-155).
  • Further aspects and advantages of the invention can be taken by the following description of preferred embodiments. The only drawing in
    • Fig. 1
    shows a diagram of sorption isotherms of a non-fermented and a fermented extract
    Example 1:
  • 1 kg of concentrated Acerola fruit juice (28 °Brix) is diluted to 10 % soluble solids. Yeast, e.g. of the species Saccharomyces cerevisiae, is added at temperatures around its optimal working conditions depending on the type of yeast used. The parameters are taken from a temperature range of preferably 20-25°C and a storage time of usually 3 days. After analysis of the remaining sugar content in the reaction mixture by an enzymatic test the fermented solution is filtrated or separated.
  • The intermediate product thus obtained is a vitamin C rich wet extract which is concentrated by a rising film plate evaporator as state of the art concentration technique with low thermal input, preferably under vacuum to maintain the ascorbic acid. At a concentration usually higher than 50 % soluble solids such extract can be used as it is or dried by techniques known to the experts such as spray drying, freeze drying or other drying techniques and produces a low-hygroscopic powder.
  • The mentioned enrichment of Vitamin C becomes clear from the following table 1, in which the non-fermented extract is a spray dried Acerola juice concentrate, which has not been treated with yeast and the fermented extract is that of example 1. Both extracts contain 60 % maltodextrin as spray drying agent. Table 1: sugar and vitamin C content of fermented and non-fermented extract
    Non-fermented extract Fermented extract
    Content [%]
    Vitamin C 13.33 18.98
    Fructose 4.29 0.03
    Glucose 3.25 0.09
    Saccharose 0.01 0.01
    • Example 2:
  • 1 kg of concentrated organic Acerola fruit juice (50 °Brix) is diluted to 20 % soluble solids. Yeast, e.g. of the species Saccharomyces cerevisiae, is added at temperatures around its optimal working conditions depending on the type of yeast used. The parameters are taken from a temperature range of preferably 20-25°C and a storage time of usually 3 days. After analysis of the remaining sugar content by HPLC or enzymatic tests the fermented solution is separated.
  • The intermediate product thus obtained is a vitamin C rich wet extract which is UHT treated, preferably a direct steam treatment UHT process, to remove ethanol. The resulting extract can be dried by techniques as described in example 1.
    • Product check:
  • To prove the low-hygroscopic properties the extracts obtained as explained above are stored in water saturated atmosphere with different relative humidity. The different relative humidities were adjusted by the saturated salt solutions as they are shown in the following table 2: Table 2: saturated salt solution for adjusting relative humidity
    Salt Relative humidity [%]
    Sodium carbonate 44
    Magnesium carbonate 53
    Sodium chloride 75
    Potassium chloride 84
  • These products obtained by the processes according to the invention do not show any physical changes up to 53 % relative humidity in the powder form. Compared to common extracts containing the same carrier content the extract according to the invention behaves much less hygroscopic, what is shown in Fig. 1 presenting the diagram of according sorption isotherms of the non-fermented and fermented extracts according to table 1. The water absorption of a fermented extract is considerably lower - between 4 and 8 percentage points - throughout the complete range between 40% and 85% of practical values of the relative humidity as compared to a non-fermented extract.

Claims (10)

  1. Method for the preparation of a low-hygroscopic, dried extract of a vitamin C rich fruit or vegetable species, like Acerola (Malpighia glabra), Camu Camu (Myrciaria dubia) or the like, characterized by the steps of
    - preparing a juice of the species,
    - removing at least a part of the sugars contained in the juice by a fermentative process generating an ethanol content in the juice but not altering other ingredients in the juice,
    - removing the ethanol content from the juice by treating the residue including the vitamin C contents with a low thermal input process to get a vitamin C rich wet extract as residue including the vitamin C contents, and
    - drying the residue to a low-hygroscopic powder.
  2. Method according to claim 1, characterized in that for removing the sugar by a biochemical process a yeast is added to the juice to ferment the sugar to ethanol.
  3. Method according to claim 2, characterized in that as juice a concentrated juice is used which is diluted to a solution containing 10 % to 30 %, preferably 20 % of soluble solids.
  4. Method according to claim 2 or 3, characterized in that a yeast of the species Saccharomyces cerevisiae is used.
  5. Method according to one of claims 2 to 4, characterized in that the fermentation time is between 2 and 6 days, preferably between 2 and 4 days and/or the fermentation temperature is between 10°C and 50°C, preferably between 20°C and 30°C.
  6. Method according to one of the preceding claims, characterized in that the ethanol content is removed by evaporation by state of the art concentration techniques with low thermal input, preferably under vacuum.
  7. Method according to claim 6, characterized in that one of the following concentration techniques is used: a rising film plate, kettle-type, centrifugal, falling film, thin layer or circulation evaporator or reverse osmosis.
  8. Method according to one of claims 1 to 5, characterized in that the ethanol is removed by a UHT process, preferably a direct steam treatment UHT process.
  9. Method according to one of the preceding claims, characterized in that the vitamin C rich wet extract is concentrated to a concentration higher than 50 % soluble solids by a process with low thermal input, preferably under vacuum.
  10. Method according to one of the preceding claims, characterized in that the vitamin C rich wet extract is dried to the low hygroscopic powder by spray drying or freeze drying.
EP13191063.0A 2013-10-31 2013-10-31 Method for the preparation of a low-hygroscopic, dried extract of a vitamin C rich fruit or vegetable species Active EP2868208B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES13191063T ES2730852T3 (en) 2013-10-31 2013-10-31 Method for preparing a dried, low hygroscopic extract of a kind of fruit or vegetables rich in vitamin C
EP13191063.0A EP2868208B1 (en) 2013-10-31 2013-10-31 Method for the preparation of a low-hygroscopic, dried extract of a vitamin C rich fruit or vegetable species
PT13191063T PT2868208T (en) 2013-10-31 2013-10-31 Method for the preparation of a low-hygroscopic, dried extract of a vitamin c rich fruit or vegetable species
BR102014025999-6A BR102014025999B1 (en) 2013-10-31 2014-10-17 method for preparing a dry extract

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EP13191063.0A EP2868208B1 (en) 2013-10-31 2013-10-31 Method for the preparation of a low-hygroscopic, dried extract of a vitamin C rich fruit or vegetable species

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EP2868208A1 true EP2868208A1 (en) 2015-05-06
EP2868208B1 EP2868208B1 (en) 2019-04-17

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BR (1) BR102014025999B1 (en)
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PT (1) PT2868208T (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111264804A (en) * 2020-03-03 2020-06-12 华中农业大学 Freeze-dried apple powder with low hygroscopicity and preparation method thereof
CN111700247A (en) * 2020-07-16 2020-09-25 广东青云山药业有限公司 Rosa roxburghii powder rich in vitamin C and preparation method thereof
WO2023117528A1 (en) * 2021-12-21 2023-06-29 Société des Produits Nestlé S.A. Fermented acerola beverage

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US3012942A (en) * 1958-11-18 1961-12-12 Nutrilite Products Vitamin c concentrate
US3086915A (en) * 1961-08-07 1963-04-23 Nutrilite Products Non-deliquescent vitamin c concentrate
CH632137A5 (en) * 1978-12-21 1982-09-30 Moor Wem Werbeagentur Process for the preparation of a soft (alcohol-free), reduced-calorie fruit juice beverage, and fruit juice beverage prepared by this process
WO1989007132A1 (en) * 1988-01-27 1989-08-10 Bucher-Guyer Ag Maschinenfabrik Process and device for manufacturing dealcoholized beverages
WO2001003520A1 (en) * 1999-07-08 2001-01-18 Ocean Spray Cranberries, Inc. Juice enriched in beneficial compounds
JP2005154432A (en) * 2003-11-05 2005-06-16 Nichirei Corp Treated material of acerola containing polyphenol and/or vitamin c
WO2007141420A2 (en) * 2006-06-07 2007-12-13 Jean-Louis Terras Method for extracting and processing citrus fruit juice, and composition with high vitamin c content

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Publication number Priority date Publication date Assignee Title
US3012942A (en) * 1958-11-18 1961-12-12 Nutrilite Products Vitamin c concentrate
US3086915A (en) * 1961-08-07 1963-04-23 Nutrilite Products Non-deliquescent vitamin c concentrate
CH632137A5 (en) * 1978-12-21 1982-09-30 Moor Wem Werbeagentur Process for the preparation of a soft (alcohol-free), reduced-calorie fruit juice beverage, and fruit juice beverage prepared by this process
WO1989007132A1 (en) * 1988-01-27 1989-08-10 Bucher-Guyer Ag Maschinenfabrik Process and device for manufacturing dealcoholized beverages
WO2001003520A1 (en) * 1999-07-08 2001-01-18 Ocean Spray Cranberries, Inc. Juice enriched in beneficial compounds
JP2005154432A (en) * 2003-11-05 2005-06-16 Nichirei Corp Treated material of acerola containing polyphenol and/or vitamin c
WO2007141420A2 (en) * 2006-06-07 2007-12-13 Jean-Louis Terras Method for extracting and processing citrus fruit juice, and composition with high vitamin c content

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Title
DANIELA FRACASSETTI ET AL: "Ellagic acid derivatives, ellagitannins, proanthocyanidins and other phenolics, vitamin C and antioxidant capacity of two powder products from camu-camu fruit (Myrciaria dubia)", FOOD CHEMISTRY, vol. 139, no. 1-4, 1 August 2013 (2013-08-01), pages 578 - 588, XP055116812, ISSN: 0308-8146, DOI: 10.1016/j.foodchem.2013.01.121 *
MOREIRA G E G ET AL: "Physical properties of spray dried acerola pomace extract as affected by temperature and drying aids", LWT- FOOD SCIENCE AND TECHNOLOGY, ACADEMIC PRESS, UNITED KINGDOM, vol. 42, no. 2, 1 March 2009 (2009-03-01), pages 641 - 645, XP025656567, ISSN: 0023-6438, [retrieved on 20080724], DOI: 10.1016/J.LWT.2008.07.008 *
NANTZ M P ET AL: "Immunity and antioxidant capacity in humans is enhanced by consumption of a dried, encapsulated fruit and vegetable juice concentrate", THE JOURNAL OF NUTRITION, AMERICAN SOCIETY FOR NUTRITION, US, vol. 136, no. 10, 1 January 2006 (2006-01-01), pages 2606 - 2610, XP002581661, ISSN: 0022-3166, [retrieved on 20060309] *
WEBER ET AL.: "Metabolic and isotopic correlations between D-Glucose, L-Ascorbic acid and L-Tartaric Acid", ISOTOPES ENVIRON. HEALTH STUD., vol. 33, 1997, pages 151 - 155

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111264804A (en) * 2020-03-03 2020-06-12 华中农业大学 Freeze-dried apple powder with low hygroscopicity and preparation method thereof
CN111700247A (en) * 2020-07-16 2020-09-25 广东青云山药业有限公司 Rosa roxburghii powder rich in vitamin C and preparation method thereof
CN111700247B (en) * 2020-07-16 2022-04-29 广东青云山药业有限公司 Rosa roxburghii powder rich in vitamin C and preparation method thereof
WO2023117528A1 (en) * 2021-12-21 2023-06-29 Société des Produits Nestlé S.A. Fermented acerola beverage

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PT2868208T (en) 2019-06-21
ES2730852T3 (en) 2019-11-13
EP2868208B1 (en) 2019-04-17
BR102014025999B1 (en) 2020-10-27
BR102014025999A2 (en) 2016-09-06

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